M16C User Manual.pdf

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CNVSSRESETP93/DA0/TB3INP94/DA1/TB4INP91/TB1IN/SIN3P92/TB2IN/SOUT3P90/TB0IN/CLK3BYTECNVssP87/XCINP86/XCOUTRESETXOUTVSSXINVCCP85/NMIP84/INT2P82/INT0P83/INT1P81/TA4IN/UP80/TA4OUT/UP77/TA3INP76/TA3OUTP75/TA2IN/WP74/TA2OUT/WP73/CTS2/RTS2/TA1IN/VP13/D11P14/D12P15/D13/INT3P16/D14/INT4P17/D15/INT5P20/A0(/D0/-)P21/A1(/D1/D0)P22/A2(/D2/D1)P23/A3(/D3/D2)P24/A4(/D4/D3)P25/A5(/D5/D4)P26/A6(/D6/D5)P27/A7(/D7/D6)VssP30/A8(/-/D7)VccP31/A9P32/A10P33/A11P34/A12P35/A13P36/A14P37/A15P40/A16P41/A17Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTER75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51P12/D10P11/D9P10/D8P07/D7P06/D6P05/D5P04/D4P03/D3P02/D2P01/D1P00/D0P107/AN7/KI3P106/AN6/KI2P105/AN5/KI1P104/AN4/KI0P103/AN3P102/AN2P101/AN1AVSSP100/AN0VREFAVccP97/ADTRG/SIN4P96/ANEX1/SOUT4P95/ANEX0/CLK4767778798081828384858687888990919293949596979899100M16C/62 flash memory version(100P6Q)50494847464544434241403938373635343332313029282726P42/A18P43/A19P44/CS0P45/CS1P46/CS2P47/CS3P50/WRL/WRP51/WRH/BHEP52/RDP53/BCLKP54/HLDAP55/HOLDP56/ALEP57/RDY/CLKOUTP60/CTS0/RTS0P61/CLK0P62/RxD0P63/TXD0P64/CTS1/RTS1/CTS0/CLKS1P65/CLK1P66/RxD1P67/TXD1P70/TXD2/SDA/TA0OUTP71/RxD2/SCL/TA0IN/TB5INP72/CLK2/TA1OUT/VCEBUSYRXDEPMSCLKTXD1 2 3 4 5 6 7 8 9 10111213141516171819202122232425VSSVCCMode setup methodSignal ValueCNVss VccEPM VssRESET Vss to VccCEVccConnectoscillatorcircuit.Figure 1.31.2. Pin connections for serial I/O mode (2)255
Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERStandard Serial I/O ModeThe standard serial I/O mode serially inputs and outputs the software commands, addresses and datanecessary for operating (read, program, erase, etc.) the internal flash memory. It uses a purpose-specificperipheral unit.The standard serial I/O mode differs from the parallel I/O mode in that the CPU controls operations likerewriting (uses the CPU rewrite mode) in the flash memory or serial input for rewriting data. The standard_____serial I/O mode is started by clearing the reset with an “H” level signal at the P50 (CE) pin, an “L” signal at________the P55 (EPM) pin and an “H” level at the CNVss pin. (For the normal microprocessor mode, set CNVss to“L”.)This control program is written in the boot ROM area when shipped from Mitsubishi Electric. Therefore, ifthe boot ROM area is rewritten in the parallel I/O mode, the standard serial I/O mode cannot be used.Figures 1.31.1 and 1.31.2 show the pin connections for the standard serial I/O mode. Serial data I/O usesfour UART1 pins: CLK1, RxD1, TxD1 and RTS1 (BUSY).The CLK1 pin is the transfer clock input pin and it inputs the external transfer clock. The TxD1 pin outputsthe CMOS signal. The RTS1 (BUSY) pin outputs an “L” level when reception setup ends and an “H” levelwhen the reception operation starts. Transmission and reception data is transferred serially in 8-byteblocks.In the standard serial I/O mode, only the user ROM area shown in Figure 1.31.1 can be rewritten, the bootROM area cannot.The standard serial I/O mode has a 7-byte ID code. When the flash memory is not blank and the ID codedoes not match the content of the flash memory, the command sent from the peripheral unit (programmer)is not accepted.Function Overview (Standard Serial I/O Mode)In the standard serial I/O mode, software commands, addresses and data are input and output betweenthe flash memory and an external device (peripheral unit, etc.) using a 4-wire clock synchronized serial I/O (UART1). In reception, the software commands, addresses and program data are synchronized withthe rise of the transfer clock input to the CLK1 pin and input into the flash memory via the RxD1 pin.In transmission, the read data and status are synchronized with the fall of the transfer clock and output tothe outside from the TxD1 pin.The TxD1 pin is CMOS output. Transmission is in 8-bit blocks and LSB first.When busy, either during transmission or reception, or while executing an erase operation or program,the RTS1 (BUSY) pin is “H” level. Accordingly, do not start the next transmission until the RTS1 (BUSY)pin is “L” level.Also, data in memory and the status register can be read after inputting a software command. It is possibleto check flash memory operating status or whether a program or erase operation ended successfullyor in error by reading the status register.Software commands and the status register are explained here following.256
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To all our customersRegarding the c
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Keep safety first in your circuit d
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This manual comprises of eight chap
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Table of ContentsChapter 1 Hardware
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2.5 Clock-Asynchronous Serial I/O (
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4.2.1 Interrupt Enable Flag .......
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Quick Reference to Pages Classified
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Quick Reference to Pages Classified
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DescriptionMitsubishi microcomputer
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Pin DescriptionMitsubishi microcomp
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CPUMitsubishi microcomputersM16C /
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CPUMitsubishi microcomputersM16C /
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ResetMitsubishi microcomputersM16C
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ResetMitsubishi microcomputersM16C
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SFRMitsubishi microcomputersM16C /
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Memory Space Expansion FunctionsMit
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Software ResetMitsubishi microcompu
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Processor ModeMitsubishi microcompu
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Bus SettingsMitsubishi microcompute
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Specified address rangeBus ControlM
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Bus ControlMitsubishi microcomputer
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Clock Generating CircuitMitsubishi
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Clock Generating CircuitMitsubishi
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Wait ModeMitsubishi microcomputersM
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Power controlMitsubishi microcomput
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ProtectionMitsubishi microcomputers
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InterruptMitsubishi microcomputersM
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Address Match InterruptMitsubishi m
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Precautions for InterruptsMitsubish
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Watchdog TimerMitsubishi microcompu
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TimerMitsubishi microcomputersM16C
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Timer AMitsubishi microcomputersM16
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Timer BMitsubishi microcomputersM16
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Timers’ functions for three-phase
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Serial I/OMitsubishi microcomputers
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Clock synchronous serial I/O modeMi
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Clock asynchronous serial I/O (UART
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UART2 Special Mode RegisterMitsubis
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UART2 Special Mode RegisterMitsubis
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UART2 Special Mode Register 2Mitsub
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UART2 Special Mode Register 2Mitsub
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S I/O3, 4Mitsubishi microcomputersM
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S I/O3, 4Mitsubishi microcomputersM
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CRCMitsubishi microcomputersM16C /
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Programmable I/O PortMitsubishi mic
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Usage precautionMitsubishi microcom
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Usage precautionMitsubishi microcom
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Electrical characteristicsMitsubish
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Electrical characteristics (Vcc = 5
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Timing (VCC=5V)Mitsubishi microcomp
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TimingMitsubishi microcomputersM16C
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Timing (Vcc = 5V)Mitsubishi microco
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Electrical characteristics (Vcc = 3
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Page 219 and 220: Timing (Vcc = 3V)Mitsubishi microco
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Page 229 and 230: IssuancesignatureReceiptMitsubishi
Page 251 and 252: Description (Flash Memory Version)M
Page 253 and 254: CPU Rewrite Mode (Flash Memory Vers
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Page 269: Appendix Standard Serial I/O Mode (
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Counter content (hex)Timer BMitsubi
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Counter content (hex)Timer BMitsubi
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Clock-Synchronous Serial I/OMitsubi
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ApplicationsMitsubishi microcompute
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Timer A ApplicationsMitsubishi micr
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Controlling Power ApplicationsMitsu
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Absolute accuracy [mV]Absolute accu
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Appendix 1Mitsubishi microcomputers
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Appendix 2 Hexadecimal instruction
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Appendix 3 Setting register for pin
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MITSUBISHI Single-Chip Microcompute
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